Offshore
Market Intelligence

Charybdis and Sturgeon: A Common Purpose Through Diverging Philosophies and Design

The U.S. offshore wind market is caught between the strict mandates of the Jones Act and the urgent need for specialized installation capacity. While the industry has relied on complex "feedering" workarounds and use of foreign ports, a new generation of vessels is emerging. This white paper examines the two primary approaches: the fully Jones Act-compliant "shuttle" model and the feeder-optimised hybrid design.

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Introduction

Since the first federal leases in 2013, offshore wind developers have grappled with how best to navigate the constraints of the Jones Act. By examining the diverging strategies of Dominion Energy’s Charybdis and Maersk’s Sturgeon, we explore how vessel design choices directly impact project timelines, carbon emissions, and bottom-line costs.

What You'll Learn

This white paper will help you gain a better understanding of the logistical and environmental trade-offs of the American offshore wind market.

You will learn:

  • How different installation methods, such as feedering and shuttling, impact project timelines.
  • Why Jones Act-compliant shuttle operations can slash per-turbine emissions by up to 75% compared to current feeder setups.
  • The true cost of using foreign marshaling ports i.e. “The Canadian Workaround”, including the doubling of transit times per unit.
  • How the Charybdis and Sturgeon compare to leading European WTIVs like the Seaway Ventus.
  • The impact of shifting political and inflationary headwinds on vessel delivery.
  • How next-generation cranes and deck capacities are being engineered to handle 15MW to 20MW turbine classes.

Get the Full White Paper

Discover how specialised vessel design and Jones Act compliance will define the future of U.S. offshore wind installation.

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